Class 10

Our Environment question bank (Science)

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Q1.

What is ozone and how does it affect any ecosystem?

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Q2.

Which of the following groups contain only biodegradable items?

(A)
Grass,flowers and leather
(B)
Fruit-peels,cake and lime-juice
(C)
Cake,wood and grass
(D)
Both $A$,$B$ and $C$
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